Toggle Tag List window
:TlistToggleSearch for a string in the Tag List just like you would in a regular Vim window
/string_you_wantSelect an item in the Tag List by moving the cursor into that item and hitting <ENTER>.
Or, to view more info on the item in the tag list, hit <SPACE>. This works well for seeing function signatures.
Jump from file to file in the tags listing using [[ and ]].
Toggle sorting of tags by their name or the order they appear in the file using s.
Hit # while cursor is over a function name or variable to search backwards on that value. Use * to search forwards.
Then press n to step forward through all instances, and N to step backwards.
Subsequently, you can press [I (that's a capital i) to get a listing of all lines where that string appears.