Final answer:
To easily label documents for retrieval in a search, use a document management system that offers tagging and follow a consistent labeling protocol, like using specific keywords related to your research topic.
Step-by-step explanation:
The option that provides an easy ability to label documents, which can then be used as the basis for a document search, is typically found in a document management system or an electronic filing system like Microsoft OneNote or Evernote. These systems offer features such as tagging, which allows users to associate keywords with documents, making them easily retrievable through a search. Additionally, utilizing a consistent labeling protocol helps to categorize and organize documents more efficiently. For example, if you are researching artificial intelligence, you might use tags or labels such as 'AI', 'machine learning', or 'neural networks' to quickly locate relevant documents later.
Quick Launch: When organizing information, it's advised to begin collecting sources and make a list of keywords. If your topic is artificial intelligence, you would compile keywords associated with this to narrow down your search results within the document management system you are using.