DIVING GLOSSARY · Diving together
Communication
Sharing information through agreed words, signals or equipment.
Explore the idea in context
Definitions are a starting point. These lessons connect the word to examples, illustrations and further reading.
Underwater science
Sound underwater
Recognise that sound behaves differently in water.
Read lesson →Planning your dive
Alternatives and contingencies
Treat changing a plan as a normal decision.
Read lesson →Diving with a buddy
What a shared briefing covers
Recognise the purpose of a pre-dive conversation.
Read lesson →Diving with a buddy
Agreeing communication
Understand why signals should be confirmed in advance.
Read lesson →Diving with a buddy
Speaking up about comfort
Practise clear language for a concern before a dive.
Read lesson →Diving with a buddy
Changing or ending an outing
Respect a decision to change participation.
Read lesson →Introductory definition · Instructor review pending.