This is the 1424th most frequent Russian word.
делали
"Делали" means "did" or "were doing" (past tense, plural).
In this sentence, 'делали' is used in the past tense and indicates a continuous action in the past, as we were engaged in the activity of doing homework for an extended period.
Мы делали уроки до позднего вечера.
We were doing homework until late evening.
Here, 'делали' reflects the past tense of creating or crafting something, in this case, a gift, which emphasizes the active involvement and crafting process.
Они делали подарок своими руками.
They made a gift with their own hands.
In this usage, 'делали' again demonstrates a past action involving creating or shaping objects, such as snow figures, reflecting physical activity done by the subject.