Answer -
One can use the wordpress site for e commerce sites ,membership sites ,photo galleries ,and any other
type of site as we can think of .
The website is created using the same html code as any other site ,so there are no limitations there either .
But yes there are some limitations to wordpress these are -
1. It is vulnerable to hackers and other security issues.
2.stop working
3.it needs continous maintenance
4.They are not search engine friendly
5.all wordpress sites looks the same .