Gazelle's Calendar uses event icons to help you quickly identify different types of evens.

From the Screenshot Above:

Jim's Birthday - is a memo, indicated by the Sticky Note Icon

Alexis Stanwood - is a client appointment that is currently unconfirmed. Indicated by the Person Icon & Yellow Caution Icon

Dentist - Is a personal event, indicated by the Circle Icon

Kenneth Jones - Is a client appointment that is unconfirmed and inside the critical confirmation window, indicated by the Person Icon & Red Caution Icon

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