Radical 灬
10 strokes
熱
hold on to 执 (695c) + fire 灬 (185a) = hot 热
You will see from the following list of compounds that this can literally mean “hot” (high temperature) or, more metaphorically, “warm” to give meanings such as “ardent”.
热情 (339) rèqíng enthusiasm
[热点 (185) rèdiǎn hot-spot]
[热爱 (365) rè’ài to love deeply]
[热带 (429) rèdài the Tropics]
[热心 (161) rèxīn enthusiastic; warm-hearted]

You hold on to the metal poker while stoking the fire, but it becomes so hot that you drop it. / The dwarf growls, “Rrr … rug! You’ve burnt a hole in my rr..rug!”

This is a short stroke which crosses another stroke, as in the following character.