Now, your summary is ready. Just recheck that you have not missed any important points from the original text. Likewise, read your summary and check that your summary flows well. It should not feel like you dumped a bunch of sentences in one para to make it short. It should have a proper sense. So, that purpose linking words will be helpful to you.

Let Us Understand with the Help of an Example

Read the passage and write its summary according to the given steps.

Communication is a part of our everyday life. We greet one another, smile or frown, depending on our mood. Animals, too, communicate, much to our surprise. Just like us, interaction among animals can be both verbal or non-verbal. Singing is one way in which animals can interact with one another. Male blackbirds often use their melodious songs to catch the attention of females. These songs are usually rich in note variation, encoding various kind of messages. Songs are also used to warn and keep off other blackbirds from their territory, usually a place where they dwell and reproduce.
Large mammals in the oceans sing too, according to adventurous sailors. Enormous whales groan and grunt, while smaller dolphins and porpoises produce pings, whistles and clicks. These sounds are surprisingly received by other mates as far as several hundred kilometers away.

Here, we have underlined the key points in the paragraph.