diff --git a/pkg/go/graph/weighted_graph.go b/pkg/go/graph/weighted_graph.go
index 27954f74..5f8a9285 100644
--- a/pkg/go/graph/weighted_graph.go
+++ b/pkg/go/graph/weighted_graph.go
@@ -25,8 +25,7 @@ func (wg *WeightedAuthorizationModelGraph) GetEdges() map[string][]*WeightedAuth
 	return wg.edges
 }
 
-// GetEdges returns the edges map.
-func (wg *WeightedAuthorizationModelGraph) GetEdgesByNode(node *WeightedAuthorizationModelNode) ([]*WeightedAuthorizationModelEdge, bool) {
+func (wg *WeightedAuthorizationModelGraph) GetEdgesFromNode(node *WeightedAuthorizationModelNode) ([]*WeightedAuthorizationModelEdge, bool) {
 	v, ok := wg.edges[node.uniqueLabel]
 	return v, ok
 }
@@ -36,7 +35,6 @@ func (wg *WeightedAuthorizationModelGraph) GetNodes() map[string]*WeightedAuthor
 	return wg.nodes
 }
 
-// GetNodes returns the nodes map.
 func (wg *WeightedAuthorizationModelGraph) GetNodeByID(uniqueLabel string) (*WeightedAuthorizationModelNode, bool) {
 	v, ok := wg.nodes[uniqueLabel]
 	return v, ok
@@ -50,7 +48,7 @@ func NewWeightedAuthorizationModelGraph() *WeightedAuthorizationModelGraph {
 	}
 }
 
-// AddNode adds a node to the graph with optional operationType and weight.
+// AddNode adds a node to the graph with optional nodeType and weight.
 func (wg *WeightedAuthorizationModelGraph) AddNode(uniqueLabel, label string, nodeType NodeType) {
 	wildcards := make([]string, 0)
 	if nodeType == SpecificTypeWildcard {
diff --git a/pkg/go/graph/weighted_graph_edge.go b/pkg/go/graph/weighted_graph_edge.go
index 065601e6..28da3664 100644
--- a/pkg/go/graph/weighted_graph_edge.go
+++ b/pkg/go/graph/weighted_graph_edge.go
@@ -6,7 +6,7 @@ type WeightedAuthorizationModelEdge struct {
 	conditionedOn string
 	from          *WeightedAuthorizationModelNode
 	to            *WeightedAuthorizationModelNode
-	wildcards     []string
+	wildcards     []string // e.g. "user". This means that in the direction of this edge there is a path to node user:*
 }
 
 // GetWeights returns the entire weights map.
@@ -14,7 +14,7 @@ func (edge *WeightedAuthorizationModelEdge) GetWeights() map[string]int {
 	return edge.weights
 }
 
-// GetWeight returns the weight for a specific key.
+// GetWeight returns the weight for a specific type. It can return Infinite to indicate recursion.
 func (edge *WeightedAuthorizationModelEdge) GetWeight(key string) (int, bool) {
 	weight, exists := edge.weights[key]
 	return weight, exists
@@ -25,7 +25,7 @@ func (edge *WeightedAuthorizationModelEdge) GetEdgeType() EdgeType {
 	return edge.edgeType
 }
 
-// GetConditionedOn returns the conditionedOn field.
+// GetConditionedOn returns the conditionedOn field, e.g. "document#parent".
 func (edge *WeightedAuthorizationModelEdge) GetConditionedOn() string {
 	return edge.conditionedOn
 }
@@ -40,7 +40,7 @@ func (edge *WeightedAuthorizationModelEdge) GetTo() *WeightedAuthorizationModelN
 	return edge.to
 }
 
-// GetWildcards returns the wildcards.
+// GetWildcards returns an array of types, e.g. "user". This means that in the direction of this edge there is a path to node user:*
 func (edge *WeightedAuthorizationModelEdge) GetWildcards() []string {
 	return edge.wildcards
 }
diff --git a/pkg/go/graph/weighted_graph_node.go b/pkg/go/graph/weighted_graph_node.go
index 8df4d436..b9ebab08 100644
--- a/pkg/go/graph/weighted_graph_node.go
+++ b/pkg/go/graph/weighted_graph_node.go
@@ -3,9 +3,9 @@ package graph
 type WeightedAuthorizationModelNode struct {
 	weights     map[string]int
 	nodeType    NodeType
-	label       string // e.g. "group#member", UnionOperator, IntersectionOperator, ExclusionOperator
-	uniqueLabel string
-	wildcards   []string
+	label       string   // e.g. "group#member", UnionOperator, IntersectionOperator, ExclusionOperator
+	uniqueLabel string   // e.g. "group#member", or "union:01JH0MR4H1MBFGVN37E4PRMPM3"
+	wildcards   []string // e.g. "user". This means that from this node there is a path to node user:*
 }
 
 // GetWeights returns the entire weights map.
@@ -13,7 +13,7 @@ func (node *WeightedAuthorizationModelNode) GetWeights() map[string]int {
 	return node.weights
 }
 
-// GetWeight returns the weight for a specific key.
+// GetWeight returns the weight for a specific type. It can return Infinite to indicate recursion.
 func (node *WeightedAuthorizationModelNode) GetWeight(key string) (int, bool) {
 	weight, exists := node.weights[key]
 	return weight, exists
@@ -24,17 +24,18 @@ func (node *WeightedAuthorizationModelNode) GetNodeType() NodeType {
 	return node.nodeType
 }
 
-// GetLabel returns the label.
+// GetLabel returns the label, e.g. "user", "group#member", UnionOperator, IntersectionOperator or ExclusionOperator.
 func (node *WeightedAuthorizationModelNode) GetLabel() string {
 	return node.label
 }
 
-// GetUniqueLabel returns the unique label.
+// GetUniqueLabel returns the unique label. It is the same as GetLabel, except for operation nodes,
+// where it takes the form "operation:ULID".
 func (node *WeightedAuthorizationModelNode) GetUniqueLabel() string {
 	return node.uniqueLabel
 }
 
-// GetWildcards returns the wildcards.
+// GetWildcards returns an array of types, e.g. "user". This means that from this node there is a path to node user:*
 func (node *WeightedAuthorizationModelNode) GetWildcards() []string {
 	return node.wildcards
 }