Me, as direct or indirect object the speaker as the object of a verb or preposition, when the speaker is also the subject.
Personally, for my part; used in apposition to I, sometimes for simple emphasis and sometimes with implicit exclusion of any others performing the activity described.
Me (as the object of a verb or preposition).
In my normal state of body or mind.
my name is...
you (in text messaging and internet conversations)
The name of the Latin-script letter U/u.
A thing in the shape of the letter U
The twenty-first letter of the English alphabet, called u and written in the Latin script.