one should start a big project with immediate, practical steps; start small / the person who proposes something should be the first one to take practical steps to implement it

下書き: rough draft of a text / 下描き: rough sketch of a drawing

necessary evil

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)

unnecessary

needlessness

beforehand; in advance

(mathematics) rounding

(typography) a set of typographic rules as to how certain characters are not allowed at the start or end of a line during line breaking, for example, a start quote 「 is not allowed at the end of a line, an end quote 」, full stop 。 or small kana ぁ is not allowed at the start, etc.

parallel processing