\documentclass{article}
For articles in scientific journals, presentations, short reports, program documentation, invitations, ... 1
An article doesn't contain chapters or parts. It can be divided in sections, subsections and paragraphs etc.
By default, the title is shown at the top of the first page, and not on a separate title page.
\documentclass{article}
\title{Hello world}
\author{Me }
\date{\today}
\begin{document}
\maketitle
Hello, World!
\end{document}