Insert
Definition 1 of 4
Pro Tip 1/3
Physical Action
Use 'insert' when describing a physical movement of placing something inside another. He inserted the letter into the envelope.
Pro Tip 2/3
Precise Fit
Often implies the need for precision, such as parts fitting together correctly. Insert tab A into slot B carefully.
Pro Tip 3/3
Temporary Placement
Suggests that the inserted item may be removed or is not permanent. Can you insert a bookmark where you stop reading?