Mind
The term manaḥ is the closest translation of the term mind and is commonly used to distinguish it from the body (śarīra).
Manaḥ has two functions - conceiving and perceiving.
It is associated with sense-organs in the process of perception and is associated with memory and planning etc. in the process of conception.
Thus, in reality, manaḥ is activated only when it functions and becomes amanaḥ (non-mind) during the periods of non-functioning.
Thus it is to be regarded as an external instrument of mental functions, while citta is its activator and psychic master.