Adding missing guidance

Author: heatherlarsen

website/docs/components/stepper/partials/guidelines/guidelines.md

@@ -9,6 +9,26 @@
 
 - In isolation, consider a standard [icon](/icons/library).
 
+## Steps
+
+### Interactive steps
+
+Interactive steps are part of a sequential flow and can be interacted with as a navigational device.
+
+### Non-interactive steps
+
+Non-interactive steps are a part of a list of steps that can be completed sequentially, out of order, or asynchronously. They cannot be interacted with.
+
+## Tasks
+
+### Interactive tasks
+
+Interactive tasks are part of a sequential flow and can be interacted with as a navigational device.
+
+### Non-interactive tasks
+
+Non-interactive tasks are part of a list of tasks which can be completed sequentially, out of order, or asynchronously. They cannot be interacted with. 
+
 ## Content
 
-While the most common example of content within a Step Indicator is numerical (1, 2, 3), other types of sequential ordering may also be used (A, B, C).
+While the most common example of content within a Step Indicator is numerical (1, 2, 3), other types of sequential ordering may also be used (A, B, C).