What does it mean to "emit" something?

To "emit" something means to send forth or discharge it, often in relation to light, sound, heat, or gas. This term is commonly used in various contexts, such as describing how a light bulb emits light or how an engine emits exhaust gases. The emphasis is on the process of releasing or giving off something from a source.

In contrast, withholding refers to retaining or keeping something back, which is the opposite of emitting. Projecting typically involves directing something outward, but it doesn't necessarily imply the same sense of release. Modifying pertains to changing or altering something, which does not relate directly to the concept of emitting. Therefore, "send forth" accurately captures the essence of what it means to emit.