Writing process
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A writing process is a set of mental and physical steps that someone takes to create any type of text. Almost always, these activities require inscription equipment, either digital or physical: chisel
Manual editing of a printed document by directly writing annotations and remarks on paper
Affordance
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In psychology, affordance is what the environment offers the individual. In design, affordance has a narrower meaning; it refers to possible actions that an actor can readily perceive.
Writing process
…equipment, either digital or physical: chisels, pencils, brushes, chalk, dyes, keyboards, touchscreens, or pens, with each of these tools having unique affordances that influence writers' workflows. Writing processes are very individualized and task-specific, frequently involving activities such as talking, drawing…
The design of tea cups and a teapot suggest their respective functions.
A door knob shaped to reflect how it is used, is an example of a perceivable affordance.