\documentclass[a4paper,12pt]{report}

\usepackage{graphicx}
\linespread{1.56}
\usepackage{paralist}
\usepackage{tikz}
%\usepackage{subfig}
%\usepackage{subfloat}
%\usepackage{subfigure}
%\usepackage{amsmath}
%\usepackage{mdwlist}
%\usepackage{lscape}
%\usepackage{color}
%\usepackage{setspace} 
%\usepackage{tocbibind}
%\usepackage{makeidx}
%\usepackage{fancyhdr} 
\usepackage[top=3.5cm,right=2.5cm,bottom=2.5cm,left=2.5cm]{geometry}                 

\usepackage{epstopdf}
\usepackage{multirow}
\usepackage{rotating}
\usepackage[pagebackref=false,colorlinks,linkcolor=blue,citecolor=magenta]{hyperref}
\usepackage{xepersian}

\DefaultMathsDigits
%\setdigitfont[Scale=1.1]{Cambria }
\settextfont[Scale=1.27]{B Nazanin}
%\setlatintextfont[Scale=1.1]{Times New Roman }
%\lineskiplimit
%\setfootnoteLR
%\graphicspath{{images/}}
%\pagestyle{fancy}
%\cfoot{}
%\lhead{\thepage}
\SepMark{-}

\renewcommand{\labelitemi}{$\bullet$}

\newcommand{\fp}{\footprint}

\begin{document}

\begin{tikzpicture}
\draw [xshift=4cm,-latex] plot [smooth] coordinates { (0,0) (1,1) (3,1.1) (4.5,2.6)};
\draw[rotate=40] (4.8,-2.3) ellipse (.1cm and .3cm)node[above=10pt,xshift=-3mm]{$dS_{1}$};
\end{tikzpicture}

\end{document}