Coherence is from Latin cohaerere = stick together, to be connected with). See:
- Coherence (physics). Coherence is an attribute of physical quantities that can be described in terms of waves when a well-defined wavefront can be defined, as in classical optics.
- Coherence (linguistics). In linguistics, coherence is what makes a text semantically meaningful.
- Cache coherence and more general, memory coherence are concepts in computer architecture.
- Coherence (philosophical gambling strategy)