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    <p>As the <strong><a href="http://www.vogella.com/articles/EclipseRCP/article.html" rel="nofollow noreferrer">RCP tutorial</a></strong> details</p> <blockquote> <p>Plugins are the smallest deployable and installable software components of Eclipse.</p> <p>Each plugin can define extension-points which define possibilities for functionality contributions ( code and non-code ) by other plugins. Non-code functionality contributions are for example the provision of help content.</p> <p>The basis for this architecture is the runtime environment Equinox of Eclipse which is the reference implementation of OSGI. See <a href="http://www.vogella.com/articles/OSGi/article.html" rel="nofollow noreferrer">OSGi development - Tutorial</a> for details.<br> The Plugin concept of Eclipse is the same as the bundle concept of OSGI. Generally speaking a OSGI bundle equals a Plugin and vice-versa.</p> </blockquote> <p><img src="https://i.stack.imgur.com/X4img.png" alt="first rcp"></p> <hr> <p>The <strong><a href="http://www.vogella.com/articles/EclipseFeatureProject/article.html" rel="nofollow noreferrer">Feature Tutorial</a></strong> mentions</p> <blockquote> <p>A feature project is basically a <strong>list of plugins and other features which can be understood as a logical separate unit</strong>.</p> <p>Eclipse uses feature projects for the updates manager and for the build process. You can also supply a software license which a feature</p> </blockquote> <p><img src="https://i.stack.imgur.com/fwmmG.png" alt="new feature"></p> <hr> <p>Finally, a <strong><a href="http://help.eclipse.org/galileo/index.jsp?topic=/org.eclipse.pde.doc.user/concepts/product.htm" rel="nofollow noreferrer">product</a></strong> is a stand-alone program built with the Eclipse platform. A product may optionally be packaged and delivered as one or more features, which are simply groupings of plug-ins that are managed as a single entity by the Eclipse update mechanisms.</p> <p><img src="https://i.stack.imgur.com/EmfVT.png" alt="Product definition file show the overview tab"></p> <hr> <p>So:</p> <p><strong>plugins can be grouped in features which can be packaged as an executable unit called product</strong>.</p>
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    1. POWhat are the differences between plug-ins, features, and products in Eclipse RCP?
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    1. POWhat are the differences between plug-ins, features, and products in Eclipse RCP?
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    1. COThis is a rather old answer but anyway:I understand what you are saying, but what is the difference between the `Dependencies` tab of the `Feature` project and the `Dependencies` tab of the `Plugin.xml` and the `Dependencies` tab of the `Product`?Would it be possible to explain?
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    2. CO@user384706 basically, the `Dependencies` tab of the `Product` allows you to list features (group of plugins) *as well as* plugins needed for your product (http://help.eclipse.org/indigo/index.jsp?topic=%2Forg.eclipse.pde.doc.user%2Fguide%2Ftools%2Feditors%2Ffeature_editor%2Fdependencies.htm: "The Dependencies page lists all Required Features and Plug-ins that must be present in the product before the Update Manager installs this feature. If any of these pre-requisites are missing, the feature will not be installed". The `Dependencies` tab of the `Plugin.xml` only lists other needed plugins.
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    3. COThank you!And why is there a dependencies definition tab in `MANIFEST.MF` **and** in `plugin.xml` **and** in `build.properties.xml` of the **same** plugin?I can't wrap my head around this and make random changes to the project
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