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Vue.js supports two-way data binding using the v-model directive. It also provides one-way data binding through property binding (v-bind) and event binding (v-on). These mechanisms allow developers to easily synchronize data between the UI and the underlying Vue.js instance.

Vue components are reusable and self-contained units that encapsulate the logic and structure of a portion of a user interface. They allow developers to break down an application into modular pieces, making it easier to manage, update, and reuse code.

Vue.js uses a template syntax that closely resembles HTML. Directives are special tokens prefixed with v- that indicate reactive behavior in the template. For example, v-if is used for conditional rendering, and v-for is used for rendering lists.

Similar to React, Vue.js uses a Virtual DOM to optimize rendering performance. When data changes, Vue.js updates a virtual representation of the DOM and computes the difference (diff) between the new and old virtual DOM. This process minimizes actual DOM manipulations, enhancing performance.

Vue.js allows state management through its reactive data system. For more complex state management needs, Vuex, a state management library for Vue.js, can be used. Vuex provides a centralized state store and a set of rules to ensure predictable state mutations.

Vue Router is the official router for Vue.js applications. It enables developers to create single-page applications with multiple views, allowing for navigation without full page reloads. Vue Router supports features like nested routes, navigation guards, and dynamic route matching.

Vue components have a lifecycle that consists of various stages, including creation, mounting, updating, and destruction. Developers can hook into these lifecycle stages using lifecycle hooks such as beforeCreate, created, mounted, updated, and destroyed to execute custom logic at specific points.

Vue.js provides a transition wrapper and related components for handling animations and transitions. Developers can use CSS classes and JavaScript hooks to define transition effects when elements enter or leave the DOM. This makes it easy to add animations to Vue.js applications.

The Vue CLI (Command Line Interface) is a set of tools for rapid Vue.js development. It provides a command-line interface for scaffolding and managing Vue.js projects. The Vue CLI simplifies project setup, configuration, and build processes, allowing developers to focus on writing code rather than managing tooling.