Confusing terminology: crosswalks

[dabreegster]

The spec appears to be using the term "crosswalk" to refer to a way of representing slices in the flattened additive format:

A share-row-crosswalk consists of each row representing a slice of a shared-street id. Intended to allow the conversion between Additive and Sliced based specifications in an editable GIS/SQL database.

The word "crosswalk" is synonymous with pedestrian crossings. I'm very confused by the crosswalk tab in the schema, because it doesn't seem to have anything to do with pedestrian crossings. Should this be renamed?

[d-wasserman]

Per our offline conversation, @dabreegster:
Agreed. I took the terminology from the Census actually. That said, that is just one type of word for correspondence or intermediate data format. We can think of giving it a different type of intermediate name.

Tangentially related, there is also an issue thinking about an intersection specification all together. #4

[d-wasserman]

As an intermediate measure, I made it clear this serves as a schema crosswalk in the sheet and the samples.