Glean is a term used to describe the act of collecting something, usually in small amounts. Gather and harvest are two related terms that are often used interchangeably. Gather is the act of bringing together a group of people or things, while harvest is the act of gathering crops or other natural resources. Both terms are used to describe the process of collecting something, but they have slightly different meanings. Gather is more focused on the act of collecting, while harvest is more focused on the result of the collection.