To “take ___ into consideration” means to think very carefully about something. We use this phrase when we talk about complicated decisions. It’s essentially the same as “to consider.”
When talking with your friend about choosing a university, you might say:
I really need to take tuition into consideration. I mean, some schools are so ridiculously expensive!
You can also say “(something) (someone) take(s) into consideration”:
Brand names aren’t something I take into consideration when I shop.
What are some of the things you take into consideration when you're desigining a new product?