diff --git a/elements/neuron/postsynapse.md b/elements/neuron/postsynapse.md
index 692a856..ea0d659 100644
--- a/elements/neuron/postsynapse.md
+++ b/elements/neuron/postsynapse.md
@@ -18,7 +18,7 @@ Qui comprendiamo:
 - bAP arrives → V_post receives additional depolarisation boost
 - NMDA gate checks coincidence: NT_cleft AND V_post both non-zero
 - Mg_block_removal = V_post / (V_post + V_NMDA_half) — sigmoid of V_post
-- Ca²⁺ enters spine via NMDA: Ca_post += k_NMDA × NT_cleft × Mg_block_removal
+- _Ca2 enters spine via NMDA: Ca_post += k_NMDA × NT_cleft × Mg_block_removal
 - Ca_post decays slowly each ms (single exponential, no pump detail)
 - Ca_post_history updated every ms (feeds seconds loop)
 - V_post_history updated every ms (retained for reference)
@@ -43,13 +43,13 @@ Qui comprendiamo:
 
 ```Gen
 
-bAP_ctx
+*bAP
     POSTSYNAPSE (ms)
       -- Ca Influx
       CaNDMAEnterMax: ( active: 2x ) accumulator
       CaNDMAEnterMed: ( active: 4x ) accumulator
 
-NOT bAP_ctx:
+NOT *bAP:
     POSTSYNAPSE (ms)
       -- Ca Influx
       CaNDMAEnterMedNotBap: ( active: 4x ) accumulator
@@ -84,7 +84,7 @@ TunPossible_ctx
 
 - **Na**: Ioni entranti tramite AMPA receptors
 - **NT**:
-- **Ca2+**: Ioni entranti tramite NMDA
+- **_Ca2**: Ioni entranti tramite NMDA
 - **VPost**: il voltage che viene sentito in DB
 - **eCB**:
 - **Nox**:?
@@ -97,37 +97,69 @@ TunPossible_ctx
 POSTSYNAPSE
  type: comprehension
 
- expand_comprehension: 
-    &POST-AMPA_ALL: POST-AMPA (full: 10x, active: 5x, empty: 2x)
+ expansion:
+ 
+  _@PostAmpaAll: TUB [ comprehension: POST-AMPA, full: 10x, active: 5x, empty: 2x ]
+
+  intrication:
+
+    # Scope
+    !DAY: INTRICATION [ ref: &ORGANISM.!DAY ]
+    !NIGHT: INTRICATION [ ref: &ORGANISM.!NIGHT ]
+
+    # Context  
+    *bAP: INTRICATION [ ref: &SOMA.*bAP ]
+    *TunPossible: INTRICATION [ ref: &?.*TunPossible ]
+    
+    # Tub
+    _NT: INTRICATION [ ref: &ASTROSYNAPSE._NT ] 
+    _Vpost: INTRICATION [ ref: ??._VPost ]
+   
+  instantiation:
+
+    # Context
+
+    # Tub
+    _Ca2: TUB [ full: 60x, active: 30x, empty: 0x ]
+    _Na: TUB [ full: 60x, active: 30x, empty: 0x ]
+    _Nox: TUB [ full: 100x, active: 20x, empty: 0x ] # Nitric Oxide (NO):  A gas that diffuses freely.
+    _eCB: TUB [ full: 100x, active: 20x, empty: 0x ] # Endocannabinoids (e.g., 2-AG)
+    
+    _posMod: TUB [ full: None, active: ??, empty: 0x)  # riferimento a possible di BEH-PRE
+    _actMod: TUB [ full: None, active: ??, empty: ??)  # riferimento a active di BEH-PRE
+
+    # Behaviour
+    $: BEHAVIOUR [ behaviour: MAIN_POST ]
+    $: BEHAVIOUR [ behaviour: TUN-POST-AMPA ]
 
- instantiate_container:
-    POSTSYNAPSE-BEH []
-    TUN-POST-AMPA [pass: &POST-AMPA_ALL]
 ```
 
-### POSTSYNAPSE-BEH: Container
+### MAIN_POST: Behaviour
 ```
-POSTSYNAPSE-BEH
+MAIN_POST
+  type: behaviour
 
-  type: container
+  within_scope: !DAY
 
-  activity_scope: !DAY
+  snippet:
+    *bAP
+    @: ACCUMULATOR [ snippet: CaNDMAEnterMax, rf: active 2x ]
+    @: ACCUMULATOR [ snippet: CaNDMAEnterMed, rf: active 4x ]
 
-  tub_local:
-    - Ca2+ ( full: 60x, active: 30x, empty: 0x )
-    - Na ( full: 60x, active: 30x, empty: 0x )
-    - Nox ( full: 100x, active: 20x, empty: 0x ) # Nitric Oxide (NO):  A gas that diffuses freely.
-    - eCB ( full: 100x, active: 20x, empty: 0x ) # Endocannabinoids (e.g., 2-AG)
+    NOT *bAP
+    @: ACCUMULATOR [ snippet: CaNDMAEnterLow, rf: active 12x ]
+    @: ACCUMULATOR [ snippet: CaNDMAEnterMedNotBap, rf: active 4x ]
+    @: ACCUMULATOR [ snippet: CaClearance, rf: active 24x ]
+    @: ACCUMULATOR [ snippet: VPostMax, rf: active 4x ]
+    @: ACCUMULATOR [ snippet: VPostMed, rf: active 8x ]
+    @: ACCUMULATOR [ snippet: VPostMin, rf: active 16x ]
+    @: ACCUMULATOR [ snippet: VPostClearance, rf: active 18x ]
+    @: ACCUMULATOR [ snippet: NaClearanceHigh, rf: active 4x ]
+    @: ACCUMULATOR [ snippet: NaClearanceLow, rf: active 16x ]
 
- tub_intricated:
-  - NT ( contained_by: SYNAPSE )
-  - VPost ( contained_by: BD )
-
- context_intricated:
-  - bAp_ctx ( contained_by: SOMA )
 ```
 
-#### bAp_ctx
+#### *bAP
 
 ![post-ltp-ltd.png](.attachments/post-ltp-ltd.png)
 
@@ -135,117 +167,117 @@ POSTSYNAPSE-BEH
 ##### CaNDMAEnterMax: ( active: 2x ) accumulator
 
 ```Gen
-CaNDMAEnterMax: ( active: 2x )
-  type: accumulator
-  contained_by: POSTSYNAPSE-BEH
+CaNDMAEnterMax
+    type: accumulator
 
-  in_context: bAp_ctx
-    hypothesis: NOT (Ca2+ full) AND
-               (Na fullness OR Na mediumness)
-      action: [Ca2+ increase]
+    in_context: *bAP
+    
+    hypothesis: NOT _Ca2 full AND
+               ( _Na fullness OR _Na mediumness )
+      action: [ _Ca2 increase ]
       trace: 
 ```
 
 ##### CaNDMAEnterMed: ( active: 4x ) accumulator
 
 ```Gen
-CaNDMAEnterMed: ( active: 4x )
-  type: accumulator
-  contained_by: POSTSYNAPSE-BEH
+CaNDMAEnterMed
+    type: accumulator
 
-  in_context: bAp_ctx
-    hypothesis: NOT (Ca2+ full) AND (Na emptiness)
-      action: [Ca2+ increase]
+    in_context: *bAP
+    
+    hypothesis: NOT _Ca2 full AND _Na emptiness
+      action: [ _Ca2 increase ]
       trace: 
 ```
 
-#### NOT bAp_ctx
+#### NOT *bAP
 
 ##### CaNDMAEnterLow: ( active: 12x ) accumulator
 
 ```Gen
-CaNDMAEnterLow: ( active: 12x )
-  type: accumulator
-  contained_by: POSTSYNAPSE-BEH
+CaNDMAEnterLow
+    type: accumulator
 
-  in_context: NOT bAP_ctx
-    hypothesis: NOT (Ca2+ full) AND (Na mediumness)
-      action: [Ca2+ increase]
+    in_context: NOT *bAP
+    
+    hypothesis: NOT _Ca2 full AND _Na mediumness
+      action: [ _Ca2 increase ]
       trace: 
 ```
 
 ##### CaNDMAEnterMedNotBap: ( active: 4x ) accumulator
 
 ```Gen
-CaNDMAEnterMedNotBap: ( active: 4x )
-  type: accumulator
-  contained_by: POSTSYNAPSE-BEH
+CaNDMAEnterMedNotBap
+    type: accumulator
 
-  in_context: NOT bAP_ctx
-    hypothesis: NOT (Ca2+ full) AND (Na fullness)
-      action: [Ca2+ increase]
+    in_context: NOT *bAP
+    
+    hypothesis: NOT _Ca2 full AND _Na fullness
+      action: [ _Ca2 increase ]
       trace: 
 ```
 
 ##### CaClearance: ( active: 24x ) accumulator
 
 ```Gen
-CaClearance: ( active: 24x ) # Low
-  type: accumulator
-  contained_by: POSTSYNAPSE-BEH
+CaClearance # Low
+    type: accumulator
 
-  in_context: NOT bAP_ctx
-    hypothesis: NOT (Ca2+ empty)
-      action: [Ca2+ decrease]
+    in_context: NOT *bAP
+    
+    hypothesis: NOT _Ca2 empty
+      action: [ _Ca2 decrease ]
       trace: None
 ```
 
 ##### VPostMax: ( active: 4x ) accumulator
 ```Gen
-VPostMax: ( active: 4x )
-  type: accumulator
-  contained_by: POSTSYNAPSE-BEH
+VPostMa
+    type: accumulator
 
-  in_context: NOT bAP_ctx
-    hypothesis: ( NA fullness )
-      action: [VPost increase]
+    in_context: NOT *bAP
+    
+    hypothesis: _NA fullness
+      action: [ _VPost increase ]
       trace: None
 ```
 
 ##### VPostMed: ( active: 8x ) accumulator
 ```Gen
-VPostMed: ( active: 8x )
-  type: accumulator
-  contained_by: POSTSYNAPSE-BEH
+VPostMed
+    type: accumulator
 
-  in_context: NOT bAP_ctx
-    hypothesis: ( NA mediumness )
-      action: [VPost increase]
+    in_context: NOT *bAP
+
+    hypothesis: _NA mediumness
+      action: [ _VPost increase ]
       trace: None
 ```
 
 ##### VPostMin: ( active: 16x ) accumulator
 ```Gen
-VPostMin: ( active: 16x )
-  type: accumulator
-  contained_by: POSTSYNAPSE-BEH
+VPostMin
+    type: accumulator
 
-  in_context: NOT bAP_ctx
-    hypothesis: ( NA emptiness )
-      action: [VPost increase]
+    in_context: NOT *bAP
+    
+    hypothesis: _NA emptiness
+      action: [ _VPost increase ]
       trace: None
 ```
 
 Il VPost clearance lo facciamo qui nel container dove creaiamo anche i VPost, perche' altrimenti, se lo facessimo in DB, perderemmo l'aspetto temporale della contribuzione dei singoli POST.
 ##### VPostClearance: ( active: 18x ) accumulator
 ```Gen
-VPostClearance: ( active: 18x )
-  type: accumulator
-  contained_by: POSTSYNAPSE-BEH
+VPostClearance
+    type: accumulator
 
-  in_context: NOT bAP_ctx
-    hypothesis: NOT ( VPost empty )
-      action: [VPost decrease]
+    in_context: NOT *bAP
+
+    hypothesis: NOT _VPost empty
+      action: [ _VPost decrease ]
       trace: None
 ```
 
@@ -253,68 +285,68 @@ Il NA clearance lo mettiamo qui come sniplet, perche' gli AMPA creano, e questi
 
 ##### NaClearanceHigh: ( active: 4x ) accumulator
 ```Gen
-NaClearanceHigh: ( active: 4x )
-  type: accumulator
-  contained_by: POST-NA-CLEAR-BHE
+NaClearanceHigh
+    type: accumulator
 
-  in_context: NOT bAP_ctx ??any??
-    hypothesis: ( Na mediumness ) OR ( Na fullness )
-      action: [Na decrease]
+    in_context: NOT *bAP 
+  
+    hypothesis: _Na mediumness OR _Na fullness
+      action: [ _Na decrease ]
       trace: None
 ```
 
 ##### NaClearanceLow: ( active: 16x ) accumulator
 ```Gen
-NaClearanceLow: ( active: 16x )
-  type: accumulator
-  contained_by: POST-NA-CLEAR-BHE
+NaClearanceLow
+    type: accumulator
 
-  in_context: NOT bAP_ctx ??any??
-    hypothesis: NOT (Na empty)
-      action: [Na decrease]
+    in_context: NOT *bAP 
+    
+    hypothesis: NOT _Na empty
+      action: [ _Na decrease ]
       trace: None
 ```
 
-### TUN-POST-AMPA: Container
+### TUN-POST-AMPA: Behaviour
 ```Gen
 TUN-POST-AMPA
-  type: container
+  type: behaviour
+  
   activity_scope: !DAY
   
-  tub_modulation: # in TUN agiamo su POS/ACT
-   - posMod ( fullness: None, active: BEH-POST-IC/fullness, empty: 0x)  # riferimento a possible di BEH-PRE
-   - actMod ( fullness: None, active: BEH-POST-IC/active, empty: BEH-POST-IC/emptiness)  # riferimento a active di BEH-PRE
+  snippet:
+    # *TunPossible
+    @: CONTEXTOR [ snippet: CheckTunPostAmpa, rf: active 60x ]
 
-  context_intricated:
-  - TunPossible ( contained_by: DAY-N )
+    # *TryTunUpPostAmpa
+    @: ACCUMULATOR [ snippet: PossibleUpPostAmpaTun, rf: active 10x ]
 
-  tub_local:
-
-  tub_intricated:
+    # *TryTunDownPostAmpa
+    @: ACCUMULATOR [ snippet: PossibleDownPostAmpaTun, rf: active 10x ]
+  
+  
 ```
 #### TunPossible_ctx
 
 ##### CheckTunPostAmpa: ( active: 60x ) contextor
 ```Gen
-  CheckTunPostAmpa: ( active: 60x )
+CheckTunPostAmpa
   type: contextor
-  contained_by: TUN-POST-AMPA
 
-  in_context: TunPossible_ctx
+  in_context: *TunPossible
     condition:   tbd1
-    out_context: TryTunUpPostAmpa_ctx
+    out_context: *TryTunUpPostAmpa
 
     condition:   tbd2
-    out_context: TryTunDownPostAmpa_ctx
+    out_context: *TryTunDownPostAmpa
 ```
 
 ##### PossibleUpPostAmpaTun: ( active: 10x ) accumulator
 ```Gen
 PossibleUpPostAmpaTun: ( active: 10x )
   type: accumulator
-  contained_by: TUN-POST-AMPA
 
-  in_context: TryTunUpPostAmpa_ctx
+  in_context: TryTunUpPostAmpa
     hypothesis:  
       action: 
       trace: 
@@ -322,11 +354,10 @@ PossibleUpPostAmpaTun: ( active: 10x )
 
 ##### PossibleDownPostAmpaTun: ( active: 10x ) accumulator
 ```Gen
-PossibleDownPostAmpaTun: ( active: 10x )
+PossibleDownPostAmpaTun
   type: accumulator
-  contained_by: TUN-POST-AMPA
 
-  in_context: TryTunDownPostAmpa_ctx
+  in_context: *TryTunDownPostAmpa
     hypothesis:  
       action: 
       trace: 
@@ -337,47 +368,52 @@ PossibleDownPostAmpaTun: ( active: 10x )
 POST-AMPA
   type: comprehension
 
-  instantiate_container:
-      POST-AMPA-BHE []
+  expansion:
+
+  intrication:
+    # Tub
+    _NT: INTRICATION [ ref: &ASTROSYNAPSE._NT ] 
+    _Na: INTRICATION [ ref: &POSTSYNAPSE._Na ] 
+    
+  instantiation:
+    $: BEHAVIOUR [ behaviour: POST-AMPA-BHE ]
   
 ```
 
-### POST-AMPA: Container
+### POST-AMPA: Behaviour
 ```Gen
 POST-AMPA-BHE
-  type: container
+  type: behavior
 
-  activity_scope: !DAY
+  within_scope: !DAY
 
-  tub_intricated:
-    - NT ( contained_by: ASTROCYTE/SYNAPSE )
-
-  context_intricated:
-    - Na ( contained_by: POSTSYNAPSE )
+  snippet:
+    # NOT *bAP
+    @: ACCUMULATOR [ snippet: NaAMPAEnterMax, rf: active 2x ]
+    @: ACCUMULATOR [ snippet: NaAMPAEnterMed, rf: active 4x ]
+    
 ```
 
-#### NOT bAP_ctx
+#### NOT *bAP
 
 ##### NaAMPAEnterMax: ( active: 2x ) accumulator
 ```Gen
-NaAMPAEnterMax: ( active: 2x )
+NaAMPAEnterMax
   type: accumulator
-  contained_by: POST-AMPA-BHE
 
-  in_context: NOT bAP_ctx
-    hypothesis: (NT fullness)
-      action: [Na increase]
+  in_context: NOT *bAP
+    hypothesis: _NT fullness
+      action: [ _Na increase ]
       trace: 
 ```
 
 ##### NaAMPAEnterMed: ( active: 4x ) accumulator
 ```Gen
-NaAMPAEnterMed: ( active: 4x )
+NaAMPAEnterMed
   type: accumulator
-  contained_by: POST-AMPA-BHE
 
-  in_context: NOT bAP_ctx
-    hypothesis: (NT mediumness)
-      action: [Na increase]
+  in_context: NOT *bAP
+    hypothesis: _NT mediumness
+      action: [ _Na increase ]
       trace: 
 ```