This is the 9805th most frequent Japanese word.
製図
Drafting or drawing plans.
In this sentence, "製図" (drafting) refers to the specialized skill and activity of creating architectural plans.
彼は建築製図の専門家です。
He is an expert in architectural drafting.
Here, "製図" is used to refer to the educational setting and practice of drafting, emphasizing its institutional learning aspect.
学生たちは製図の授業で技術を学びます。
Students learn techniques in the drafting class.
"製図" in this sentence points to the act of drafting aided by computers, showcasing a modern application.