The phrase "higher echelons" refers to the top or uppermost levels of a hierarchy or organization. It represents the individuals in positions of authority, power, and influence at a higher level within a group or system. Full definition
With its two mono - scroll turbochargers, charge air cooler, High Precision Injection, VALVETRONIC variable valve timing and Double - VANOS fully variable camshaft timing, the inline 6 - cylinder engine aims at higher echelons of performance and efficiency. (press.bmwgroup.com)
Effectively improved vehicle conditions by inducting and ordering parts into higher echelon for maintenance. (jobhero.com)
And now they're showing us how to engage with higher echelon clients, at the gym. (onlinepersonalswatch.com)