The block elements take up the full page width and start on a new line, instead of inline element that only take the space to accommodate the length of the content and continue on the same line. Some examples of block elements are <div>, <p>, <header>, <footer>, <h1>…<h6>, <form>, <table>, <canvas>, <video>, <blockquote>, <pre>, <ul>, <ol>, <figcaption>, <figure>, <hr>, <article>, <section>, etc. Some examples of inline elements are <span>, <a>, <strong>, <img>, <button>, <em>, <select>, <abbr>, <label>, <sub>, <cite>, <abbr>, <script>, <label>, <i>, <input>, <output>, <q>, etc.
