to focus closely on something
сосредоточиться на чем-то (sosredotochit'sya na chem-to)
"Our analysis should zero in on customer pain points."
"Наш анализ должен сосредоточиться на болевых точках клиентов." (Nash analiz dolzhen sosredotochit'sya na bolevykh tochkakh kliyentov.)
to become aware of something important
the most vulnerable part of a system or group
to do someone’s job temporarily
to sit down and relax, especially after working hard
to prepare an official document or plan
to create your own way of achieving success or independence