Adocument that promises to pay specified sums of money on specified dates and is a debt to the issuer is called

The mode is generally used when delivering a presentation to an need now

You are almost finished updating a web site. as part of the update, you have converted all pages from html 4.0 to html5. the project is currently on schedule. however, your project manager has been asked by the marketing team manager to justify a day of time spent validating the site's html5 pages. the marketing team manager does not have technical knowledge of the internet or the web. which is the most appropriate explanation to provide to the marketing team manager?

How to do this programming flowchart?