You can enable auto completion within the script editor in Maya:
Category: Getting Started
Every object in Maya is actually a ‘Node’, you can view this inside the Node Editor.
Contains a set of commonly used tools
A way to isolate scenes, selection masks allows us to select only certain types of objects.
Layers panel is found under the channels box (Windows > General Editors > Channel box/layer editor)
The Outliner is used to organize a scene. it can be accessed by selecting Windows > Outliner.
Grouping is another way to create a hierarchy. Except there is no parent element as above, you create a group and...
Helps us to align and organise objects in a scene. Takes the guesswork out of alignment.