Tier 1:
Fully/moderately supported out-of-the-box allowing for quick and easy deployment.
Fully or moderately supported out-of-the-box with industry-leading capabilities and is immediately available after installation without needing any add-ons, integrations, or custom development.
Tier 2:
Supported with workarounds or add-ons that may require additional costs.
Not directly available in the software, but can be accomplished using other built-in features, workarounds, or add-ons/products from the vendor with or without any additional cost.
Tier 3:
Requires partner integrations or custom development that is often at an additional cost.
Requires additional integrations, plugins, marketplace applications from a third-party vendor, or custom development using the APIs, libraries, extensions, and development framework supported by the software, with or without any additional cost.