Atom

Scald entities. An “atom” being an image, file, etc.

Bundle

Drupal-speak for “sub-type” – in Drupal, node types are bundles of nodes.

DOM

Document Object Model. DOM parsing means scanning through the HTML content of the content directly.

Fieldable

Able to have additional fields attached to it.

Migrate Destination

A programmatic definition that can be used to import data, usually to a new system.

Migrate Source

A programmatic definition that can be used to extract data, usually from an old system.