high-level

adjective
1
involving senior people
عالی‌رتبه
2
in a high position or place
مرتفع, بلندمرتبه
a high-level walk in the hills
3
advanced
پیشرفته, عالی
a high-level course
4
similar to an existing language such as English, making it fairly simple to use
زبان سطح بالا, زبان نزدیک به انسان
5
without a lot of detail
کلی, اجمالی
That’s the high-level description, but the details get more complicated.