If it's a synaptic gap then the answer would be neurotransmitter.
The definition of the word motive is to move or an inner drive impulse.
maneuver
a controlled experiment
The Latin root word for "to move" is kine or kines.
Recoil
The definition of the word "transverse" is: situated or lying across; crosswise. Some synonyms for "transverse" are: crosswise, transversal, cross, and thwartwise.
TO move across the floor.
The best definition for the word undercurrent describes a move. Undercurrent is the tendency for a variance or underlying action that creates a change.
write the classification to which the word belongs; explain any ways this word differs from others in its class; give an example.
The definition for the word longitudinal is "running lengthwise rather than across."
Transfer comes from the Latin word trānsferō which means "I bear across".
To influence or manage shrewdly or deviously, or to move, operate, or control by the hands