Also known as: sel.
SEL has various meanings in the Aviation category. Discover the full forms, definitions, and usage contexts of SEL in Aviation.
A collection of individual items that the user has explicitly selected. The items or members may be selected from one or more levels of the same hierarchy. also set. In applications, the highlighted portion of an on-screen document. In communications, the initial contact made between a computer and a remote station receiving a message. In programming, a conditional branch.
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