I'm confused about those two terms, but based on my understanding articulatory gestures are represented by the vocal tract variables and articulatory features include all units are involved in articulation, such as dental, lips, apical, etc. Also, the vocal tract variables can produce the articulatory features based on a certain model:

|Vocal Tract Variables (articulatory gestures) | ---(MODEL)----> | Articulatory features|

Is that correct so far?

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    Gestures are actual motions of actual physical body parts, occurring at some actual time and place and performed by some actual human being. They're real, in other words. Features, on the other hand, are useful abstractions that don't exist in actual physical reality, but rather serve as generalizations -- rules of thumb (or tongue) -- to describe some phonological phenomena. Many of the features have names that represent some part of a gesture; that's natural enough. After all, one is sposta represent the other, so it's useful to name them the same.
    – jlawler
    Jun 22, 2018 at 20:21
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    I don't see any point in distinguishing the two, unless you're doing a linguistic analysis of phonologists' use of terms. But that is not about language -- it's about linguists.
    – Greg Lee
    Jun 22, 2018 at 20:44
  • @GregLee But linguists' use of language is also a part of language, right? :P Jun 23, 2018 at 4:29
  • @WavesWashSands, No. The truth but not the grammaticality of a linguist's statement is significant,
    – Greg Lee
    Jun 23, 2018 at 12:59
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    @GregLee I mean, you said '...unless you're doing a linguistic analysis of phonologists' use of terms. But that is not about language...' But surely phonologists' use of technical English terms is part of the English language (just as biologists', historians', politicians' and engineers' word uses are) :P Jun 23, 2018 at 13:22


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