Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Satin Stitch
- An embroidery stitch type that creates a smooth, flat fill by laying long or short parallel stitches closely together. Satin stitch produces a relatively smooth tactile surface and is commonly used to fill regions in both decorative and functional embroidery. In tactile…
- Small Multiples
- A series of similar graphics or charts arranged in a grid or sequence, each showing a different frame, condition, or time point, used to illustrate change or comparison. In tactile graphics, small multiples are the traditional method of representing movement or temporal change —…
- Stitch Type(also: Stitch Pattern, Embroidery Stitch)
- A specific method of forming stitches in embroidery, each producing a distinct visual and tactile result. Common stitch types include running stitch (simple dashed line), satin stitch (smooth parallel fills), cross stitch (X-shaped repeated motifs), and candlewick knots (raised…
- Swell Form(also: Capsule Paper, Microcapsule Paper, Swell Touch Paper)
- A tactile graphics production method using special heat-sensitive paper coated with microcapsules. When black ink is printed on the paper and passed through a heating machine, the dark areas absorb heat and swell, creating raised tactile surfaces. Swell Form is commonly used in…
- Swell Paper(also: Capsule Paper, Microcapsule Paper, PIAF Paper)
- A special paper coated with heat-sensitive microcapsules that swell when exposed to heat, creating raised tactile surfaces from printed black areas. When passed through a heating device (such as a PIAF — Pictures In A Flash — machine), dark-printed lines and shapes become raised…
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