This is the 1714th most frequent Russian word.
внести
"Внести" means "to bring in," "to introduce," or "to contribute."
In this sentence, 'внести' is used to indicate making a change or contribution to something intangible, such as a plan.
Он решил внести изменения в план.
He decided to make changes to the plan.
Here, 'внести' refers to the action of paying, particularly some amount or fee, as a contribution or prepayment.
Она попросила внести предоплату за услугу.
She asked to make an advance payment for the service.
In this context, 'внести' is utilized in a more literal sense, meaning to physically bring or carry something indoors.