Proclaim

Rarer in this ranking, but still part of the 2,608-character published set.

More common than 釈 (Explanation), less common than 排 (Emit).

Under a roof on top, the sun shines below -- the sun speaking boldly under a roof to proclaim its message to all inside.

In words

宣伝せんでん propaganda,publicityN2

宣教せんきょう religious missionN1

宣言せんげん declaration;proclamation;announcementN1

宣 is rank 1037 of 2,608 in published Japanese.