diff --git a/structure.tex b/structure.tex
index b6ad9a4..d666116 100644
--- a/structure.tex
+++ b/structure.tex
@@ -4,28 +4,25 @@
 \usepackage{lmodern}
 \usepackage{geometry}
 \usepackage{listings}
-\usepackage{color}
-\usepackage[usenames,dvipsnames,svgnames]{xcolor}
+\usepackage{color} % makes custom color codes available.
+\usepackage[usenames,dvipsnames,svgnames]{xcolor} % makes custom color codes available.
 \usepackage{graphicx}
-\usepackage[numbers,square,sectionbib,comma,nonamebreak,elide]{natbib}
+\usepackage[numbers,square,sectionbib,comma,nonamebreak,elide]{natbib} % used with layout for bibliography section.
 \usepackage{float}
 \usepackage[english]{babel}
 \usepackage{fancyhdr}
 \usepackage{wrapfig}
 \usepackage{array}
-\usepackage{lipsum}
-\usepackage{fancybox}
+\usepackage{fancybox} % styling of boxes.
 \usepackage{varwidth}
-\usepackage{enumitem}
+\usepackage{enumitem} % makes available changes to lists.
 \usepackage{titlepic}
 \usepackage[nottoc]{tocbibind}
-\usepackage{url}
-\usepackage[showisoZ]{datetime2}
+\usepackage{url} % cmd \url.
+\usepackage[showisoZ]{datetime2} % more options for time formatting.
 \usepackage{transparent}
 \usepackage{soul}
 \usepackage{caption}
-\usepackage{enumitem}
-\usepackage{amssymb}
 \usepackage{tikzsymbols} % http://ctan.math.utah.edu/ctan/tex-archive/graphics/pgf/contrib/tikzsymbols/tikzsymbols.pdf
 \usepackage{textcomp}
 \usepackage{parskip}
@@ -34,7 +31,7 @@
 \usepackage{makecell}
 \usepackage{inconsolata} 
 \usepackage{blindtext}
-\usepackage{expdlist} 
+\usepackage{expdlist}
 \usepackage{epigraph} % used to style quotes
 \usepackage{titling} % makes available \thetitle \theauthor \thedate
 \usepackage[toc,acronym,footnote,nomain]{glossaries} % Load the package with the acronym option
@@ -47,6 +44,8 @@
     citecolor=darkgray,
     filecolor=darkgray,
     urlcolor=darkgray]{hyperref} % https://en.wikibooks.org/wiki/LaTeX/Hyperlinks
+\usepackage{amsmath,amssymb} % math things.
+\usepackage{lipsum}
 
 
 \renewcommand*{\multicolumntoc}{3} % https://tex.stackexchange.com/a/6455