My mom is flying to FRA on LH into T1 B and meeting friends who are flying there into T2 D - they arrive an hour later than she does.

She will have access to LH Welcome Lounge which I *think* is somewhere near T1 B "Meeting Point" and I think asking her friends to come and meet her at T1 B Meeting point or even LH Welcome Lounge would be simplest (they wouldn't have access, but they could ask the front desk to page/get my mom or she could wait near the entrance). Since their flight is later, it gives her a comfortable place to wait, but it involves their finding their way from T2 D arrivals to T1 B. How far is that, and how is the signage?

Another concern with this option is I think the Welcome Lounge doesn't stay open past 13:00 (her flight arrives 11:30, theirs 12:40). In which case their fall-back could be to meet at T1 B Meeting Point, but I don't know if there is somewhere for her to sit there.

Hope someone can help with simplest solution (I define simplest as least likely to get anyone lost ).