A collection of abstract thoughts and naming conventions.
Collection: A group ofCollectionItems. Example:BlogPostCollectionhas manyBlogPosts https://github.com/doctrine/collections/blob/master/lib/Doctrine/Common/Collections/ArrayCollection.phpCollectionItem: Belongs to aCollection:Period: The span of two Dates. Example: http://www.php.net/manual/en/class.dateperiod.phpInterval: A repeating unit in aPeriod. Example:P2Whttp://php.net/manual/en/class.dateinterval.phpRange: An array of elements with a predefined set of stepsCriteria: Any kind of condition / clause for searches, where statements etc