This can be in the form of sales, services or even political information.
"Not only did things go black, but the form of information to tell you why it had gone black wasn't available," he said.
These resources can take the form of useful information, personal relationships, or the capacity to organize groups.
Some form of secondary information is needed to reduce this ambiguity.
It can also communicate with words, pictures and other forms of information.
However, all these forms of information might simultaneously be relevant and necessary for a particular task.
Like all forms of information, more is generally better.
The technique can be applied to more or less any form of information you want to remember.
All languages have ways to indicate these forms of information.
I suppose we also have to learn from experience, which is another form of information in this regard.