The document discusses application lifecycle management (ALM) from the perspective of SharePoint apps and solutions. It covers the main ALM phases including requirements management, software architecture, computer programming, software testing, release management, and software maintenance. Specific techniques are discussed for each phase as they relate to developing SharePoint apps and solutions, such as using Visual Studio, Office 365, and provider-hosted apps. The overall goal is to discuss best practices for managing the lifecycle of SharePoint customizations.