Various Big Words

Semiotics: Semiotics, also called semiotic studies or semiology, is the study of sign processes (semiosis), or signification and communication, signs and symbols, both individually and grouped into sign systems. It includes the study of how meaning is constructed and understood.

Epistemology:Epistemology (from Greek ἐπιστήμη - episteme-, "knowledge, science" + λόγος, "logos") or theory of knowledge is the branch of philosophy concerned with the nature and scope (limitations) of knowledge.^[1] It addresses the questions:

• What is knowledge?
• How is knowledge acquired?
• What do people know?
• How do we know what we know?
• Why do we know what we know?

This is all from wikipedia.

Semiotics and Epistemology.  Interesting