lull vs time lag

lull

• A period of reduced activity; a respite 

• A period of rest or soothing. 

• A period without waves or wind. 

• An extended pause between sets of waves. 

• To cause to rest by soothing influences; to compose; to calm 

• To become gradually calm; to subside; to cease or abate. 

time lag

• A period of time between one event and another; a delay.