besides; moreover; in addition
Used to add another item or point, often at the beginning of a sentence or clause. Similar to さらに or そのほか.
Besides that, do you have any questions?
In addition, there are several other problems.
In addition to this, a participation fee of 1000 yen is required.
There are also a few other candidates besides this one.
このほか introduces an additional item or point, while なお is used to add a supplementary remark or clarification, often less about listing more items.
このほか signals 'besides this' when listing additional things, while また is a lighter, more common connector meaning 'also' or 'and'.
Compound of この (this) and ほか (other, besides).