A response is the following:

• Often a response is the result of a stimulus.
• In data transmission, a response is the content of the control field of a response frame advising the primary station concerning the processing by the secondary station of one or more command frames.
• In telecommunications, a response is the effect of a driving signal upon an active or passive device. An output resulting from an input.
• In liturgy, a response (symbol "R/" or "℟") is a line spoken or sung by a congregation or sung by a choir, answering a versicle.
• In emergency management, response is one of four phases in the emergency management cycle.
• In statistics, a response variable or realization thereof.

See also

• Transient response
• Steady-state response
• Baiting
• Placebo
• Nocebo
• Stimulus-response model