Concept map
Two paths that explain almost everything
Most accessibility confusion comes from meeting these words one at a time. Seen in order, they stop being jargon and start being a story. Select any concept to read it in plain language.
The barrier path
Follow one person from the thing they are trying to do to the check that proves it works. Every accessibility conversation walks this line.
The four qualities
Every accessible page, document or post is perceivable, operable, understandable and robust. Those four words hold the whole subject together.