SCCM deployment shares are basically repositories or places where you store OS images, language packs, applications, device drivers, and other software that needs to be deployed to target machines. MDT (Microsoft Deployment Toolkit) simplifies the deployment process by condensing the following two features into a single feature (the deployment share).
Distribution share : This consists of operating system source files, application source files, out-of-box drivers and packages.
Deployment point : This provides the necessary files for accessing the distribution share and installing a build from it.
