People guess the meanings of words and notations from context all the time. Especially when they aren’t specialists in the field in question. Lots of interested amateurs exist and read things without the benefit of years of training before hand.
Some things just lend themselves more easily to guessing the accepted-meaning than others. It is often a good idea to make things easier to guess the accepted-meaning, rather than to fail to do so, if at all possible. Make it hard to fail.
People guess the meanings of words and notations from context all the time. Especially when they aren’t specialists in the field in question. Lots of interested amateurs exist and read things without the benefit of years of training before hand.
Some things just lend themselves more easily to guessing the accepted-meaning than others. It is often a good idea to make things easier to guess the accepted-meaning, rather than to fail to do so, if at all possible. Make it hard to fail.