Difference between glidant and lubricant agent

what is difference between glidant and lubricanting agent. explain with example

where Difference between glidant and lubricant agent?

Glidant-- Reduce the friction between particles
Lubricant-Reduce friction between side of hopper with the powder particle.

Glidents increase powder flow by decreasing interparticles friction.
Lubricants reducing friction berween particles and machine parts and prevent sticking