add (EN)
verb

verb “add”

add; he adds; past added, part. added; ger. adding
  1. to combine one thing with another to make the total amount larger or to create a single group
    When you add two cups of flour to the mixture, stir it slowly to avoid lumps.
  2. to calculate the total of multiple things
    When you add 5 and 3, you get 8.
  3. to contribute to something, making it larger or more significant
    The spices really added to the flavor of the stew.
  4. (intransitive) to do the mathematical process where numbers are combined to get a total sum
    She is able to add very quickly.