To open and close the file manager.
To change the size of the font inside the TEX Editor.
Disabling it will enable the TEX error scroll mode.
To select various TEX Live versions.
To select various compilers/process like
To change theme, sign out, etc.
To search folder and files. For quick search three exclusive buttons tex, pdf and log are available.
Various file management buttons.
This will show the directory structure.