Question

meet otis boykin
from the time he was young, otis boykin wanted to know how things worked. when he grew up, he studied electronics. he started inventing things!
he came up with new ways to slow down electrical current—the movement of electricity. this made machines like televisions and computers safer.
which of these clues helps you understand what \current\ means?
word
current
clue
?

Explanation:

The text provides a definition of "electrical current" right after the word "current" is mentioned. This is a context clue in the form of a definition.

Answer:

The clue "the movement of electricity" helps understand what "current" means.