What Are These Import/From Statements about?

[W. Watson]

Is there a single source that explains these statements?
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from Tkinter import *
from Numeric import *
import Image
import ImageChops
import ImageTk
import time
import binascii
import tkMessageBox
import tkSimpleDialog

from tkFileDialog import asksaveasfilename
from tkFileDialog import askopenfilename

import MakeQTE

import socket
import struct
import glob
import bisect
import os, os.path
import datetime

from os.path import basename, splitext
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-- 
                          Wayne Watson (Nevada City, CA)

                        Web Page: <speckledwithStars.net>