for a short time; "she visited him briefly"; "was briefly associated with IBM"少しの間、短時間短時間
例:was briefly associated with IBM 少しだけIBMと提携した
in a concise manner; in a few words; "the history is summed up concisely in this book"; "she replied briefly"; "briefly, we have a problem"; "to put it shortly"簡潔に簡潔