A general description of the most important facts:

I'll begin by giving you an ....

Let me ... myself. My name is Brian Winston.

I will now... some important points for discussion.

Another word for subject: Today's ... is market

segmentation.

Another verb for ‘summarize’.

To speak when somebody else is speaking.

You can also say, ''I'm going to give you some __ and

figures.''

A number, especially one which forms part of official

statistics or relates to the 

Another word for vary: Orders generally... between 1.2

and 1.4 million.

Another word for role: I am here in my ... as head of marketing.