tikz text
\documentclass{article}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}
\node[draw] at (0,0) {some text};
\node[draw,align=left] at (3,0) {some text\\ spanning three lines\\ with manual line breaks};
\node[draw,text width=4cm] at (2,-2) {some text spanning three lines with automatic line breaks};
\end{tikzpicture}
\end{document}