Comment by devilsdata

You're talking about Samatha-vipassanā which is the cultivation of stable attention and mindfulness as two skills. Your skill can be measured by the nine stages of tranquility:

https://en.wikipedia.org/wiki/Samatha-vipassan%C4%81#:~:text...

But this is only one form of meditation. There are others, such as Maitrī/mettā meditation.