FOR WHAT	WHAT TO DO
1	font size	You may choose your favorite font size for displaying, if necessary.
2	Sources	Check the checkbox(es). The button Select All/ Clear will check/uncheck all the checkboxes.
3	Search Options	Check one of the four options for retrieving.	Basic	the same string as you input.
		Default option is Basic.	Regex	the strings matching regular expressions you input.
			Word-set	the corresponding strings defined in the word-set dictionary to be chosen.
			Co-occurrence	the string only when it co-occurs with the strings defined in the co-occurrence dictionary to be chosen.
4	Match Upper/Lower Case	Check/uncheck the checkbox, if necessary. If unchecked (default status), no distinction between uppercase and lowercase, such as `A' and `a', is made in retrieving.
5	Enter the Item	Input your target string and click the button Search.
6	Output Options	Set up the options, if necessary.	Hit Count	Check/uncheck the checkbox. If checked, the current total frequency of matching will be shown.
			Result to be Displayed	Choose the number of the outputs which will be shown at the same time.
			Hit String	Choose the color in which the matched strings will be shown.