Certainly. Titles and descriptions can be original and unique, and they must convey the summary of the content in a nutshell so that glancing over the title the readers can understand what the content is all about.
To cite an example, suppose you have target 30 keywords for 10 pages. So why will you target all the 30 keywords for the same page. It is better to distribute the 30 keywords amongst the 10 pages. It will boost your ranking in the search engines.
Search Engine Spiders give importance to websites that use key-phrases and keywords at a preferable ratio in the title tag, copy text, meta tags and page links and graphic descriptions.
It is your look out to determine the key-phrases and keywords that your clients are most likely to apply to search for your website, so that can be included into the code and copy of your site.
As for the keywords and key-phrase part, As per our SEO experience, Key-phrases can be more beneficial than keywords.
Suppose, you have a key-phrase “Web design and development company India”. This particular key-phrase is giving you so many keywords like “Web”, “Design”, “Development” “Company”, “India”.
So, with a single key-phrase you can target a number of keywords. On the contrary, with a single keyword, you can target only the keyword itself.
Also, keyword and key-phrase can be compared on the basis of their competitiveness. Suppose you target the keyword “Web”. If you insert the keyword “Web” in the search engine, you will get a lot many pages related to “Web” as the competitiveness of “Web” is much higher. On the contrary “ If you insert, the key-phrase “Web design and development company India, you will get selected result and the particular key-phrase is also less competitive compared to that of ”Web”. This concludes that a key-phrase can be easily ranked in comparison to a keyword.