An opened envelope with a piece of paper showing two lines of text.

Opened Envelope With Message

Two empty speech bubbles with notifications on their top corners.

Message Notifications

Three speech bubbles, one with a notification dot on its corner.

Two tasks icons in a speech bubble message.

Four overlapping envelopes with the one on top having a notification dot on its top corner.

An error message icon represented by a rounded rectangle showing an X shape next to a line of text. 

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.