extent

1. Origins, structure, and basic meaning

• Structure: 程 has 12 strokes and appears in words for extent, schedules, and courses of events.
• Basic usage: 日程 is read にってい, and 程度 is read ていど.

2. Common pitfalls and similar expressions

• A schedule and a level of activity
  • 旅行の日程 means a travel schedule.
  • 無理のない程度の運動 means exercise at a level that is not excessive.
  • 程度の adds a degree or level to the following noun.