What is on top of a standing man? You might have some ideas already. Let us examine its evolution history first to see whether we can get more clues there: ( image get from http://www.vividict.com )
|Learn one Chinese Character a day - 天|
When it slowly evolved along the way, Bronze Scripthas started to simplify to solid dot. And it was further transformed to become in Seal Script and in Clerical Script, which is very close to what we use now - 天. Recall that can be used to mean Sky or Earth during our lessons for Chinese character "二" and “三”. So the above a standing man can only be Sky. That is why 天 is eventually used to mean Sky, while it is no longer used to mean Head. That is also why 天 has a subtle meaning of Above Head when it is grouped with other Chinese characters.
Now it is time to enjoy a Chinese calligraphy with "天" inside:
And our next lesson will continue with another Chinese character, whose Oracle Script is , guess what could be its meaning?