adumbrate
verb [ T ] formal uk/ˈæd.əm.breɪt/ us/ˈæd.əm.breɪt/
（尤指对未来的事情）概括说明，勾画轮廓
to give only the main facts and not the details about something, especially something that will happen in the future
The project's objectives were adumbrated in the report. 报告简述了该计划的目标。