Meaning of “insert” - Learner’s Dictionary

insert

verb [ T ] uk us /ɪnˈsɜːt/ formal
PUT INTO

to put something into something else:

Insert the coin in the slot.
ADD TO WRITING

to add something to the middle of a document or piece of writing:

He inserted a new paragraph.
insertion uk us /ɪnˈsɜːʃən/ noun [ C, U ]

(Definition of “insert verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)