Also see http://xkcd.com/1133/

bscSCORM <notifications@github.com> wrote:

>  a verb with this meaning has been defined with this id. This applies to all example verbs given in this
>  specification document, with the exception of the reserved verb <a href="#voided">'http://adlnet.gov/expapi/verbs/voided'</a>.
> +
> +##### 4.1.3.1 Use in Language and Semantics of Verbs
> +
> +###### Semantics
> +The URI represented by the Verb id identifies the particular semantics of a word, not the word itself.
> +
> +For example, the English word "fired" could mean different things depending on context, such as "fired a
> +weapon", "fired a kiln", or "fired an employee". In this case, a URI MUST identify one of these specific
> +meanings, not the word "fired".
> +
> +The display property has some flexibility, especially in regards to specificity or tense.  For example,
> +while Verbs are established in the past tense, certain systems may want to display certain
> +statements in other tenses.  Similarly, a series of statements relating to text, audio, and video all
> +may be tagged by an id corresponding to “experienced”, but the display property may use “read”, “listened to” and “watched”.

This changes the meaning of the section a bit. I know this usage of display has come up on some call or other, but it should be discussed.

Also this is far enough away from the requirements that I think some of these need to be re-stated with it:
* A system reading a statement MUST use the verb URI to infer meaning.
* A system reading a statement MUST NOT use the display property to infer any meaning from the statement.
* A system reading a statement MUST NOT use the display property for any purpose other than display to a human.

What this means is that the only value in using a display of "read" on the verb "experienced" would be in displaying that particular statement to a human, since we forbid using the display property for any other purpose (and even grouping statements with a display of "read" together is another purpose, so we can't even show a list of all the statements with a display of "read").


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