Yes. Multiple lines on a transaction will appear in the same cell. You will need to expand row height to see all the entries. Again, do this with a manually entered transaction and you will see how it is done.
Also understand that many cell entries will be hexadecimal UUIDs and will not be in plain language you can understand. The process of identifying all the UUIDs can be laborious.
I did not realise that once one does a batch update you see what content is required in the columns.
Perhaps (and this is just a suggestion from someone who does not know … and is trying to learn, this should be spelled out simply and basically in the tutorial.
Further I battled to import customers, again totally my fault as I did not realise that the batch headings had to be kept in the posting of the batch … I will not make this mistake again, but perhaps for us dummies you should make this clearer than it is.