Teaching how to use the Report Designer goes beyond the scope of what is possible in a forum post.
There is some information here and here.
The short of it is, inside the report definition are one or more queries which extract data from your system using parameters to filter the data to the specific information for the report. You then apply the data fields to information fields on the report to display those fields. You use sections to repeat data for more than one result - like you might get for characteristics.
I would look at an example report like S/O Acknowledgement and see how the characteristic section is put together. In that section will be fields which define the query used and the field. Go back to the query to determine how it retrieves the characteristics for the Sales Order. Retrieving characteristics for a Quote will be very similar except you will be linking chars to the
quitem table not the
coitem table. Also the quote characteristic type will be
Hope this helps