A document presented at customs containing information about goods imported or exported

Simple enough to be appropriate to an inexperienced person, or to someone who does not need advanced features.

(accounting) Describing a method of bookkeeping in which each transaction is entered in two accounts, for debits and for credits.

A harbor, airport, or border crossing where goods or immigrants enter a country. / The location or mechanism by which a foreign entity gains entry into the body or self.

plural of port of entry

(aquatics) a type of entry into the water when diving from a platform or springboard where no splash results after the entire body has entered the water (the splash only results from initial contact and not at the end).

A hall, vestibule, or mudroom, sealed from the interior of the building, as well as from the outside.

plural of entry wound

plural of barrier to entry

(figuratively, by extension) An impediment that prohibits the use, adoption, application, etc. of (something).