When we talk about a bear market, we refer to a negative market. In trading jargon, the word “bear” is used to indicate the negative phases of a market. A quite common say goes like this: “the bear’s claws have dipped down into the market“ which indicates that a market is under attack, and therefore that it is weak and downward oriented. A bear market is essentially made of lower lows and lower highs. A bearish movement starts from the top left corner of the chart and ends on the bottom right corner of the chart.
Just like in the following example.