Style of Bullets and Numbering:
The default type of bullet is ( . ) and the default  type of numbering is (1, 2, 3 ....... ). The style of bullets and numbering can be changed by applying the following steps:
(i) Select the text to be bulleted
(ii) Format ➝ Bullets and Numbering ➝ Bullets
(iii) The bullets dialog box where different styles of bullets are displayed
(iv) Click on the particular style
(v) Click Ok button

Bullets and numbering are used to emphasize list of things and make list easy to read and follow. It provides an excellent way to segregate, list, and organize information for a reader. You can control the appearance, or format a bulleted or numbered list.

Highlighting is used to draw attention to important information in a text. Highlighting is beneficial because it first asks the reader to pick out the important parts, and then gives an effective way to review that information later.

(i) Watermarks are images or text displayed in transparency across the text. Watermarks can be added to a document either as Draft or confidential.
(ii) Openoffice has a gallery of watermarks to choose from or create the custom watermark such as company logo for a document.

To insert rows or columns inside a table:
(i) Place the cursor in the row or in the column where you would like to add new rows or columns and right-click.
(ii) Choose Row ➝ Insert - to insert a row or Column ➝ Insert - to insert a column. A dialog box will appear, from which you can select the number of rows or columns to insert. You can also set the position of the new rows or columns to Before or After.
To split a cell:
(i) Place the cursor inside the cell.
(ii) Right click and choose Cell ➝ Split, or choose Table ➝ Split Cells from the menu bar.
(iii) Select the direction of the split, horizontally (for rows), or vertically (for columns), as well as the total number of cells to create.

Comments:
Comments also called "notes", which authors and reviewers often use to exchange ideas ask for suggestions or brainstorm during the review process.
Footnotes:
Afoot note will contain the source of the information or additional information about the text contained in the document. It appear at the bottom of a page.
End notes:
At end note is additional information or credits given at the end of the document instead of at the end of each page.

Help (F1), Tool tips, Extended tips, Help Agent.

After the formatting is applied, it can be removed by
(i) Selecting the entire document by Ctrl + A or Edit ➝ Select All
(ii) Clear applied formatting by Ctrl +M

There are two toolbars available by default. They are:
(i) Standard Toolbar
(ii) Formatting Toolbar

A new text document can also be created by selecting File ➝ New ➝ Text Document from any OpenOffice Application. Ctrl + N keyboard short cut can also be used to open a new text document.

Many symbols which are used in a mathematical equation like alpha(α), beta(β), pi(π) etc., are not available on the standard keyboard. However, representing these characters are very much essential in mathematical equations.
To insert such characters, the procedure given below is followed:
(i) Place the cursor in your document where you want the character to appear
(ii) Click on the Insert ➝ Special character
(iii) The Special character dialog box appears from which the desired symbol can be selected by clicking on the character.
(iv) As you select each character, it is shown on the lower right, along with the numerical code for that character
(v) If you do not find a particular special character you want, try changing the font selection.
(vi) Click the ok button and the character is inserted at the current location.

Writer provides these important features:
(i) Templates and styles.
(ii) Page layout methods, including frames, columns, and tables.
(iii) Embedding or linking of graphics, spreadsheets, and other objects.
(iv) Built-in drawing tools.
(v) Master documents-to group a collection of documents into a single document.
(vi) Change tracking during revisions.
(vii) Database integration, including a bibliography database.
(viii) Export to PDF, including bookmarks.