A word cloud visual has the following shelves:
Use a Dimension field from the Data menu to trellis the visual into columns.
This shelf accepts multiple fields.
Use a Dimension field from the Data menu to trellis the visual into rows.
This shelf accepts multiple fields.
Add a Dimension field from the Data menu to determine the number of individual words in the word bubble graph.
This shelf accepts a single field.
Add a Measure field from the Data menu to determine the size of the individual words.
This shelf accepts a single field.
Add Dimension or Measure fields from the Data menu to include or exclude categorical or value criteria.
This shelf accepts multiple fields.