SHE can't really put her heels over the sun, but the gist is she's tall!
this is a really good word, meaning 'delicious!' or 'well done!'
|( XXXの ) むね||
２ meanings： 1 -write to someone to the effect that xxx.
２： the main purpose or goal. Not so useful, but gives you a good idea of why this is called 'the gist.'