枠， 框， わく
1. frame, framework
2. border, box
3. limit, restriction, quota
4. category, bracket, class
5. time slot (in a broadcasting schedule)
6. stream, livestream, live stream, live (online) broadcast
7. spool (of thread), reel
框架，体系结构；边框，框；限制、约束、配额；类别、级别、类目；时间窗口，时段(例如广播时间表)；流媒体、直播、实时流媒体、实时(在线)广播；线轴(线的卷筒)；卷线器