display

1. Origins, structure, and basic meaning

• Structure: 掲 has 11 strokes and the on-reading けい. 掲げる (かかげる) means to display or set forth; 掲載 (けいさい) concerns publishing or posting content.
• Basic usage: 掲げる applies to visible things such as flags and to goals. 掲載 is used for placing content in newsletters or on bulletin boards.

2. Common pitfalls and similar expressions

• Displaying things and posting content
  • 旗を掲げた describes putting up a physical flag; 環境保護を目標に掲げる means setting environmental protection as a goal.
  • 写真を掲載した describes publishing photographs; 掲載されている describes content being posted. The bulletin-board example shows that 掲載 is not limited to printed publications.