Balancing Depth and Breadth in High-Pressure Vocab Reviews

When my schedule tightens, I struggle to choose between a broad 'maintenance' sweep and a deep dive. For instance, is it better to prioritize versatile 'kingpin' words or perform a quick audit of rarer terms that might otherwise slip away? I’m looking for a routine that favors surgical precision over bulk repetition. Do you filter your deck based on frequency or situational utility during busy periods?