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A lower-case letter i, marking an information point.
Also known as: i symbol, Information point, Letter i in a circle
A letter i marks information. It is a rare case of a letter working as an international pictogram, and it works because the word begins with i in a great many languages — which is also why it fails in those where it does not.
Marks an information desk, kiosk or point where enquiries may be made.
Contexts: Public information
Works across languages because the word for information begins with i in many of them — a coincidence rather than a design, and one that does not hold everywhere.
Contexts: Public information
Carries the same meaning in software interfaces, where an i in a circle marks explanatory detail rather than a physical desk.
Contexts: Software
A lower-case letter i — a short vertical stroke with a separate dot above it — usually reversed out of a solid circle or square.
The two pictograms most consistently present in any public building's wayfinding.