Replace terminology "primary" with "call argument" and "parameter" with "secondary input"

editor/src/messages/tool/common_functionality/graph_modification_utils.rs

@@ -105,7 +105,7 @@ pub fn get_blend_mode(layer: LayerNodeIdentifier, network_interface: &NodeNetwor
 /// Get the current opacity of a layer from the closest Opacity node.
 /// This may differ from the actual opacity contained within the data type reaching this layer, because that actual opacity may be:
 /// - Multiplied with additional opacity nodes earlier in the chain
-/// - Set by an Opacity node with an exposed parameter value driven by another node
+/// - Set by an Opacity node with an exposed input value driven by another node
 /// - Already factored into the pixel alpha channel of an image
 /// - The default value of 100% if no Opacity node is present, but this function returns None in that case
 ///

editor/src/messages/tool/tool_messages/brush_tool.rs

@@ -330,7 +330,7 @@ impl Fsm for BrushToolFsmState {
 
 				let layer_document_scale = document.metadata().transform_to_document(parent) * tool_data.transform;
 
-				// TODO: Also scale it based on the input image ('Background' parameter).
+				// TODO: Also scale it based on the input image ('Background' input).
 				// TODO: Resizing the input image results in a different brush size from the chosen diameter.
 				let layer_scale = 0.0001_f64 // Safety against division by zero
 					.max((layer_document_scale.matrix2 * glam::DVec2::X).length())