The distinction of culture unlined upper garment and T compensate unlined upper garment?

Very simple question, but the likelihood is not professional personage to still do not know how to distinguish really, everybody also is to cry casually at ordinary times.

Culture unlined upper garment is the singlet that shows the circle gets short sleeve or long sleeve commonly.

T compensate unlined upper garment is to point to turndown dress commonly.

Look crucial or have collar.