British Sign Language is not “English on the hands.” It is one of the native languages of the UK, with its own grammar, culture, humour, and social norms. Deaf awareness must include not only access needs, but also linguistic and cultural understanding.

The 5T approach is a practical framework for supervising and line-managing disabled and neurodivergent people — built from real-world training and designed to work in practice. And it works on everyone else, too.

Long before inclusion was a design principle, some systems had to work for everyone under real conditions. The International Code of Signals is one of the clearest examples.

When we ask a disabled person to “do the thing,” we’re usually missing something important. Disability is not a simple on/off switch. There are four very different answers to that question — and most misunderstandings come from not knowing which one you’re dealing with.