These refer to the system of intermediaries between the producers, suppliers, consumers, etc., for the movement of a good or service. It may referred to a technical range between support and resistance levels that a futures contract has traded for a specific period of time. There are also strategic descriptions of a technical channel, a bullish signal refers to an increase (on an upward breakout) or a bearish signal refers to a decrease (on a downward breakout).
Cross Reference - Refer to the topic under the Insert command section of this document.