Jerzy,
Thanks for your explanations.
Whilst I have been around EL for some time now I am just a recent convert to the Segment filters and thus am adjusting to the terms used. And with these apparent two usages for size in terms of segments I was a little perplexed. Seems to me that in describing segment size in respect of content ie count of numbers is rather like describing the size of a bucket in terms of the amount of water in it, but in fact for EL I think size used in this manner is the better usage. Perhaps 'Row Depth' might be a better term for the 'physical' size of the segments.
regards
falcon