大おお筋すじ

noun

outline; summary; gist; basic points

Refers to the main points or overall framework of a story, plan, argument, or situation, without going into details.

• 会かい議ぎの前まえに、企き画かくの大おお筋すじを説せつ明めいしてください。

  Before the meeting, please explain the outline of the project.