SmartArt and Shapes are useful tools because they allow you to

Create presentations within a document

Organize data with a document

Draw any shape you want within a document

Easily create and manipulate shapes with a document

SmartArt and Shapes are indeed useful tools within various Microsoft Office applications such as Word, PowerPoint, and Excel. They offer different functionalities and can be used for various purposes. To address the options you provided:

- Organize data within a document: This is perhaps the most accurate. SmartArt graphics are specifically designed to visually communicate information and can be used to create a variety of diagrams that represent organizational charts, processes, hierarchies, and other relationships among concepts or data points.

- Draw any shape you want within a document: Microsoft Office Shapes provide a wide range of predefined shapes, lines, and objects that can be inserted and customized within a document. While you can manipulate these shapes to a large extent, there are limitations compared to dedicated drawing or vector graphic software. However, for most users' needs within a document, the level of flexibility is generally sufficient.

- Easily create and manipulate shapes within a document: This is true for both SmartArt and Shapes. They are designed to be user-friendly, allowing users with no advanced design skills to create visually appealing diagrams and drawings.

- Create presentations within a document: This statement is a bit misleading. SmartArt and Shapes can be used to enhance presentations by making them more visually appealing and engaging, especially when used in PowerPoint. However, if by "create presentations within a document" you mean something similar to embedding a full-fledged PowerPoint-like presentation into a Word document, this isn't the primary function of SmartArt and Shapes.

Thus, the most accurate description of the utility of SmartArt and Shapes is that they help organize data within a document and easily create and manipulate shapes within a document. They are tools that augment the visual component of documentation and presentations, aiding in the communication of information.