1. Serving or intended to explain or make clear
   "explanatory notes"; "an explanatory paragraph"

See also: explain, informative, instructive

• pay cut
• pay dirt
• pay envelope
• pay for
• pay heed
• pay packet
• pay rate
• pay up
• pay-as-you-go
• pay-per-view
• pay-phone
• pay-station
• pay-to-view
• payable
• payables
• payback
• paycheck
• paycheque
• payday
• PAYE
• payee
• Payena
• payer
• paygrade
• paying