This is the 10400th most frequent Russian word.
введением
"Введением" means "introduction" in English.
In this sentence, 'введением' refers to the action of introducing or presenting concepts.
Учебник начинается с введением основных понятий.
The textbook begins with the introduction of the basic concepts.
Here, 'введением' indicates the formal act of introducing a new law or regulation.
С введением нового закона, многие процессы упростились.
With the introduction of the new law, many processes were simplified.
In this usage, 'введением' describes the act of inputting or entering data.