Are all of these words the same?

@Brook909 (110)
March 8, 2011 2:11am CST
hello,my friends.Could you tell me the differenc among 'dais''podium''rostrum'?thanks
1 response
@urbandekay (18278)
15 Mar 13
A rostrum is a raised platform from which a speaker speaks, a conductor conducts or a person receives an award Podium means the same; though perhaps the platform is smaller Dias is a raised platform upon which is a statue or other ornament all the best, urban
@urbandekay (18278)
15 Mar 13
Owlwings???