The good news is: Regardless of labels (like Overhead versus G&A), so long as expenses are recorded in the same account, consistently, in like circumstances, the label or pool might not matter. The difference between Overhead and G&A depend on how your company, consistently records a type of expense.
Noun. 1. mover and shaker-a person who wields power and influence; a shaker of traditional beliefs; movers and shakers in the business world. shaker. individual, mortal, person, somebody, someone, soul-a human being; there was too much for one person to do.
Definition of shake culture. : a deep culture of agar or gelatin through which the inoculum is evenly distributed by shaking before the medium is solidified and which is used chiefly for the demonstration of anaerobic colonies.