Action line definitions

Action line

1) Consumer-help phone number
Found on https://www.crosswordclues.com/clue/action-line

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action line

graphical representation of the path of a variable (quantity) within the functional diagram, the direction of action is indicated by an arrow
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=351-23-04

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action line

a telephone line maintained by a newspaper, television station, or other medium to provide the public a ready means of expressing complaints or obtaining information about matters of vital interest.
Found on https://www.infoplease.com/dictionary/action-line

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