Complex sentence: In addition, bear in mind that article talk pages exist solely to discuss how to improve articles; they are not for general discussion about the subject of the article, nor are they a help desk for obtaining instructions or technical assistance.
Split into simpler sentences: In addition, bear in mind that talk pages exist for the purpose of discussing how to improve articles. Talk pages are not for general discussion about the subject of the article, nor are they a help desk for obtaining instructions or technical assistance.